Help!! include working out please :)

Question

asked Jan 9, 2017 25.3k views

1 Answer

Yoonsi · Answer 1 · 2017-01-14T21:18:20+0000

If the perimeter of a circle is d*pi, then you would do ((30*3.14)-(20*3.14))/2 to find the perimeter. 30*3.14=94.2 20*3.14=62.8 94.2-62.8=31.4 31.4/2=15.7 cm

Help!! include working out please :)

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

No related questions found

Categories

Other Questions